Last updated: July 2, 2025
In Xibeiwan, China, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels not only helps in preventing painful sunburns but also significantly contributes to long-term skin health, reducing the risk of skin cancer. Given Xibeiwan's arid BWk climate, residents and visitors face heightened exposure to harmful UV rays, particularly during peak hours when the index can reach a maximum of 10 from 12:00 PM to 1:00 PM. Staying informed about the UV Index is essential to enjoy the sun safely.
As the sun rises, the UV Index begins its ascent, starting at a mild 2 at 07:00. It steadily ramps up, reaching a moderate 4 by 08:00, and escalates to 6 at 09:00, signaling caution for those heading outdoors. By 10:00, the intensity peaks at 8, and by 11:00, it hits a staggering 9. The zenith arrives at 12:00 with a high of 10, demanding protective measures for everyone exposed. The levels begin to wane in the afternoon, dipping to 9 at 13:00 and gradually decreasing to 8 by 14:00. As the day transitions into evening, the index slides down to 6 at 15:00, further declining to 4 at 16:00, and finally resting at a low of 1 by 19:00. This dynamic UV profile highlights the importance of sun safety during peak hours, especially in the midday sun.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal variations, indicating changes in the sun's intensity. January and December have the lowest UV levels (2), categorized as low exposure, allowing for longer burn times of up to 45 minutes. However, as we transition into February and March, the index rises to moderate (4) and high (6) categories, respectively, with reduced burn times of 30 and 25 minutes. The most critical months for sun exposure are from April to August, where the UV Index reaches its peak at 10 during June and July, classified as very high exposure with a rapid burn time of just 15 minutes. The UV levels then gradually decrease in September to high (7) and back to moderate levels in October and November. Visitors and residents are advised to take extra precautions during the high-risk months of April to August, by wearing protective clothing, applying sunscreen frequently, and minimizing sun exposure during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Xibeiwan | 2 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
| Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
| Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
| Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |